JPS6146460U - oxygen sensor - Google Patents
oxygen sensorInfo
- Publication number
- JPS6146460U JPS6146460U JP13150584U JP13150584U JPS6146460U JP S6146460 U JPS6146460 U JP S6146460U JP 13150584 U JP13150584 U JP 13150584U JP 13150584 U JP13150584 U JP 13150584U JP S6146460 U JPS6146460 U JP S6146460U
- Authority
- JP
- Japan
- Prior art keywords
- protective tube
- oxygen sensor
- oxygen
- sensing element
- sensor according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案に係る酸素センサの一実施例を示す要部
切欠断面説明図であり、第2図はその■一m断面図であ
る。
第3図は第1図の酸素センサの酸素検知素子の保護管体
への組付け操作を説明するための要部分解図である。
第4図a, bは第1図の酸素センサにおけるハウジン
グの取付操作を説明するための要部断面説明図であって
、aは取付完了前の状態の、またbは取付完了後の状態
の断面説明図である。
第5図は本考案の他の実施例の第4図bに相当する図で
ある。FIG. 1 is an explanatory cutaway sectional view of a main part showing an embodiment of an oxygen sensor according to the present invention, and FIG. 2 is a 1-meter sectional view thereof. FIG. 3 is an exploded view of essential parts for explaining the assembly operation of the oxygen sensing element of the oxygen sensor shown in FIG. 1 to the protective tube body. FIGS. 4a and 4b are cross-sectional explanatory views of main parts for explaining the mounting operation of the housing in the oxygen sensor of FIG. 1, where a shows the state before the installation is completed, and b shows the state after the installation is completed. It is a cross-sectional explanatory view. FIG. 5 is a diagram corresponding to FIG. 4b of another embodiment of the present invention.
Claims (8)
検知素子と;該酸素検知素子が内部に収容される、被測
定ガス中に挿入、位置せしめられて、該被測定ガスに晒
される、少なくとも前記酸素検知部を含む酸素検知素子
部分を保護する保護力バー部と該酸素検知素子の被測定
ガスに晒されない部分を覆う保護筒部とを一体に構成せ
しめた保護管体と;該保護管体の軸心方向における暫定
部位の外周部に気密に取り付けられた、前記被測定ガス
の存在する空間を仕切る隔壁に該保護管体を取り付ける
ためのハウジングとを有し、且つ該保護管体内に収容さ
れた前記酸素検知素子と該保護管体内面との間に、無機
質粉体からなる気密層を、該保護管体の軸心方向に所定
長さにわたって設けたことを特徴とす.る酸素センサ。(1) A longitudinal oxygen sensing element with an oxygen sensing portion provided at its tip; the oxygen sensing element is housed inside, inserted into and positioned in a gas to be measured, and exposed to the gas to be measured. a protective tube integrally comprising a protective force bar portion that protects at least a portion of the oxygen sensing element including the oxygen sensing portion, and a protective cylinder portion that covers a portion of the oxygen sensing element that is not exposed to the gas to be measured; a housing for attaching the protective tube to a partition wall that partitions a space in which the gas to be measured exists, the housing being airtightly attached to the outer periphery of a temporary portion in the axial direction of the protective tube; An airtight layer made of inorganic powder is provided between the oxygen sensing element housed in the tube and the inner surface of the protective tube over a predetermined length in the axial direction of the protective tube. .. oxygen sensor.
実用新案登録請求の範囲第1項記載の酸素センサ。(2) The oxygen sensor according to claim 1, wherein the inorganic powder constituting the airtight layer is talc.
気密リングを介して前記ハウジングに気密に取り付けら
れている実用新案登録請求の範囲第1項または第2項記
載の酸素センサ。(3) The oxygen sensor according to claim 1 or 2, wherein the protective tube body is airtightly attached to the housing via an airtight ring fitted onto the protective tube body. .
れの熱膨脹係数の差が、3X10−6以内である実用新
案登録請求の範囲第3項記載の酸素センサ。(4) The oxygen sensor according to claim 3, wherein the difference in coefficient of thermal expansion between the protective tube body, the airtight ring, and the housing is within 3×10 −6 .
体の管壁を介して前記気密リングに相対向して位置せし
められる実用新案登録請求の範囲第3項または第4項記
載の酸素センサ。(5) A utility model according to claim 3 or 4, wherein the airtight layer provided within the protective tube is positioned opposite to the airtight ring through the wall of the protective tube. oxygen sensor.
方向の2ケ所以上の位置に設けられている実用新案登録
請求の範囲第1項乃至第5項の何れかに記載の酸素セン
サ。(6) The oxygen sensor according to any one of claims 1 to 5, wherein the airtight layer is provided at two or more positions in the axial direction of the protective tube.
なくとも1ケ所以上の位置でセメント、ガラス等の無機
系の固着剤にて固定せしめられている実用新案登録請求
の範囲第1項乃至第6′項の何れかに記載の酸素センサ
。(7) Utility model registration claims 1 to 6, wherein the oxygen sensing element is fixed with an inorganic adhesive such as cement or glass at at least one position within the protective tube. The oxygen sensor according to any one of the above items.
たパイプである実用新案登録請求の範囲第1項乃至第7
項の何れかに記載の酸素センサ。(8) Utility model registration claims 1 to 7, wherein the protective pipe body is a pipe composed of a small diameter part and a large diameter part.
The oxygen sensor according to any of paragraphs.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13150584U JPS6146460U (en) | 1984-08-29 | 1984-08-29 | oxygen sensor |
US06/709,801 US4591423A (en) | 1984-03-16 | 1985-03-08 | Oxygen sensor |
DE19853509195 DE3509195A1 (en) | 1984-03-16 | 1985-03-14 | OXYGEN SENSOR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13150584U JPS6146460U (en) | 1984-08-29 | 1984-08-29 | oxygen sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6146460U true JPS6146460U (en) | 1986-03-28 |
Family
ID=30690091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13150584U Pending JPS6146460U (en) | 1984-03-16 | 1984-08-29 | oxygen sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6146460U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004198363A (en) * | 2002-12-20 | 2004-07-15 | Denso Corp | Gas sensor |
-
1984
- 1984-08-29 JP JP13150584U patent/JPS6146460U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004198363A (en) * | 2002-12-20 | 2004-07-15 | Denso Corp | Gas sensor |
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